CISL Daily Bulletin

The Daily Bulletin delivers news about CISL’s high-performance computing environment, training opportunities, scheduled maintenance, and other events of interest to the user community. To get the Daily Bulletin by email, use this link to subscribe.

PBS updates planned for Cheyenne and Casper

June 2, 2021

During the previously announced scheduled downtime of CISL’s HPC systems in July, the PBS Pro job scheduler on both Cheyenne and Casper will be upgraded to version 21 from the current version 18 (Cheyenne) and 20 (Casper). Updating both to version 21 will address some compatibility issues between the two clusters and is expected to improve performance and stability. When both systems are runnin...

No downtime scheduled for May 31-June 4

May 28, 2021 Updated: June 1, 2021

No downtime scheduled for Cheyenne, Casper, Campaign Storage, JupyterHub, HPSS, GLADE, Quasar, or Stratus.

Part of a slide about using environment modules.

Introduction to NCAR HPC Systems: tutorial video and slides now online

May 25, 2021

Video and slides from the “Introduction to NCAR HPC Systems" tutorial are now available here in the CISL training library. The CISL Consulting Services Group presented the tutorial May 24 for new users of NCAR’s high-performance computing (HPC) and storage resources. The 60-minute tutorial covers basic usage and typical user workflows. Topics discussed include: • What HPC systems are available ...

Systems downtime schedule for May 24-28

May 24, 2021

Stratus will be down on May 26 from 0700 to 2200 for system software upgrade. No downtime scheduled for Cheyenne, Casper, Campaign Storage, JupyterHub, GLADE, HPSS, and Quasar.

Tutorial May 26: Pandas

May 21, 2021 Updated: May 24, 2021

The NCAR/UCAR virtual Xdev Seminar Series continues on Wednesday, May 26, with an introduction to the Python package pandas at 1 p.m. MDT. See the Xdev blog for more information. The previously announced GeoCat-Viz tutorial is now scheduled for September.

New versions of major compilers, libraries available

May 18, 2021 Updated: May 19, 2021

Cheyenne and Casper both now have new versions of Intel, GCC, and NVIDIA's HPC SDK as part of our yearly compiler refresh. Intel redesigned its Parallel Studio into Intel OneAPI, which provides the traditional compilers as well as a new suite based on LLVM. Both the new and traditional compilers are made available by loading the intel/2021.2 module; default build flags (e.g., CC, FC) use the tr...